Posted inCompiler Design
Architecture
A compiler can broadly be divided into two phases based on the way they compile. Analysis Phase Known as the front-end of the compiler, the analysis phase of the compiler reads the…
Posted inCompiler Design
Lexical Analysis
Lexical analysis is the first phase of a compiler. It takes the modified source code from language preprocessors that are written in the form of sentences. The lexical analyzer breaks…
Posted inCompiler Design
Phases of Compiler
The compilation process is a sequence of various phases. Each phase takes input from its previous stage, has its own representation of source program, and feeds its output to the…
Posted inCloud Computing
Enterprise Cloud Computing
Enterprise Cloud Computing refers to a computing environment residing behind a firewall that delivers software, infrastructure and platform services to an enterprise. Cloud computing also typically delivers Web services, providing access…
Posted inCloud Computing
Cloud Federation
Cloud Federation refers to the unionization of software, infrastructure and platform services from disparate networks that can be accessed by a client via the internet. The federation of cloud resources is…
Posted inCloud Computing
What is OpenStack?
OpenStack is a set of software tools for building and managing cloud computing platforms for public and private clouds. Backed by some of the biggest companies in software development and…
Posted inCloud Computing
What is Google App Engine
As we all know, Google is at the forefront of what you may call the Internet revolution. Besides being the number 1 search engine, the Google app engine is also…
Posted inCloud Computing
VirtualBox
Oracle VM VirtualBox (formerly Sun VirtualBox, Sun xVM VirtualBox and Innotek VirtualBox) is a free and open-source hosted hypervisor for x86 virtualization, developed by Oracle Corporation. Created by Innotek, it was acquired by Sun Microsystems in 2008, which was in turn acquired by…
Posted inCloud Computing
What is Hadoop?
Hadoop is an open source project that seeks to develop software for reliable, scalable, distributed computing—the sort of distributed computing that would be required to enable big data. Hadoop is…
Posted inUncategorized
Hardware Support for Virtualization
Modern operating systems and processors permit multiple processes to run simultaneously. If there is no protection mechanism in a processor, all instructions from different processes will access the hardware directly…